TapHandler doesn't react to touch input inside popup background

import QtQuick 2.12
import QtQuick.Controls 2.5

Item {
    Popup {
        visible: true
        width: 500
        height: 500
        background: Rectangle {
            color: "red"
            TapHandler {
                onTapped: console.warn("tapped")
            }
        }
    }
}